000			00406nam a2200157Ia 4500
003			NIELib
008			211019s9999||||xx |||||||||||||| ||und||
020			_a9971-63-340-x
082			_a372.35 _bPRI
245			_aPrimary science 4E
260			_bPan Pacific Pub, _c1981. _aSingapore:
300			_a108p.; _bcol ill.; _c25cm
650			_aScience &Technology
650			_aPrimary Education
942			_2ddc _cLM
999			_c26144 _d26144